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pucch power control and handling of missed reception using confidence level

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This commit is contained in:
Francesco Mani
2020-08-18 15:47:48 +02:00
parent ffae55f62c
commit edf903f776
16 changed files with 90 additions and 43 deletions
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openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+11 -6
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@@ -78,7 +78,7 @@ void handle_nr_rach(NR_UL_IND_t *UL_info) {
}
void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, int target_snrx10) {
// TODO
int max_harq_rounds = 4; // TODO define macro
int num_ucis = UL_info->uci_ind.num_ucis;
@@ -93,18 +93,23 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl) {
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu = &uci_list[i].pucch_pdu_format_0_1;
// handle harq
int harq_idx_s = 0;
// tpc (power control)
sched_ctrl->tpc1 = nr_get_tpc(target_snrx10,uci_pdu->ul_cqi,30);
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_pdu->harq->num_harq; harq_bit++) {
// search for the right harq process
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
// if the gNB received ack with a good confidence or if the max harq rounds was reached
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
if (uci_pdu->harq->harq_list[harq_bit].harq_value == 0)
sched_ctrl->harq_processes[harq_idx].round++;
if ((uci_pdu->harq->harq_list[harq_bit].harq_value == 1) ||
(sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds)) {
if (((uci_pdu->harq->harq_list[harq_bit].harq_value == 1) &&
(uci_pdu->harq->harq_confidence_level == 0)) ||
(sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds)) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
else
sched_ctrl->harq_processes[harq_idx].round++;
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
harq_idx_s = harq_idx + 1;
break;
@@ -268,7 +273,7 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
// clear DL/UL info for new scheduling round
clear_nr_nfapi_information(mac,CC_id,UL_info->frame,UL_info->slot);
handle_nr_rach(UL_info);
handle_nr_uci(UL_info, &mac->UE_list.UE_sched_ctrl[0]);
handle_nr_uci(UL_info,&mac->UE_list.UE_sched_ctrl[0],mac->pucch_target_snrx10);
// clear HI prior to handling ULSCH
mac->UL_dci_req[CC_id].numPdus = 0;
handle_nr_ulsch(UL_info, &mac->UE_list.UE_sched_ctrl[0]);